package com.wit.service;

import java.util.List;

import com.wit.po.Mark;

public interface MarkService {
	
	public boolean addMark(Mark mark);
	
	public boolean deleteMark(Mark mark);
	
	public boolean modifyMark(Mark mark);
	
	public List<Mark> findAllMark();
	
	public Mark findByIndentifier(String markId);
}
